Keep it simple.
The Naltos device is ingenious in its simplicity. The powder is delivered by a squeeze that releases triggers the active release of the powder propelled by a gentle stream of gas engineered to use be evenly dispersed by a cyclonic vortex.
This simplicity relates to its construction and use. Very few parts means streamlined production and reduced costs but the simplicity extends further. The device is smalland unobstrusive and simple to use. It does not require any breath actuation or co-ordination with breathing and can be administered by a care giver. This ease of use has been confirmed in usability studies with groups of individual similar to the future patient users.
Despite its simplicity it provides a tuneable plume geometry that allows powders to emerge slowly and reach the top of the nose.